graphique.h

#ifndef INCLUDEDGRAPHIQUEH
#define INCLUDEDGRAPHIQUEH

#include <QPainter>
#include <QWidget>
#include <QTimer>
#include <QMutex>
#include <QTime>
#include <vector>
#include <iostream>
#include <cmath>
#include <vlc/vlc.h>

#define GRAPHIQUE_DATA_MAX_SIZE 5000
#define GRAPHIQUE_PAS 1
#define GRAPHIQUE_ECHELLE 50 // pixels par seconde

class Graphique : public QWidget
{
    Q_OBJECT
    public:
        Graphique(QWidget *parent = 0);

        void paintEvent(QPaintEvent *);

        void appendData(uint16_t *data, int size);
        void appendData(std::vector<int> data);
        void setData(uint16_t *data, int size);
        void setData(std::vector<int> data);
        void cleanData();

        void appendDummyData();

        void setDrawBars(bool drawBars) { mDrawBars = drawBars; }

    public slots:
        void updateScrolling();

    private:
        QPainter mPainter;
        QTimer mRefreshTimer;

        int mFrequence;
        std::vector<int> mData;
        bool mDrawBars;

        // Scrolling
        int mScroll;
        QTime mTime;
        QMutex mScrollMutex;
};

#endif